Change in Visible Noise after Changing Lens

Started Mar 19, 2008 | Discussions thread
OP David G O Smith Regular Member • Posts: 193
Sigma 18-200 OS and More Noise in 20D Photos

Sharpening: I am using exactly the same procedure to process the RAW files as with the Canon lens.

JPG: I am not shooting JPG, just RAW, processed to 8-bit TIFF in dcraw 8.39.

Live View: the 20D has no Live View.

The idea that the lens electronics/motor(s) add noise is interesting and something I had never thought of.

Thanks to those who answered.

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